Hanisha Koneru created HDDS-2893:
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Summary: Handle replay of KeyPurge Request
Key: HDDS-2893
URL: https://issues.apache.org/jira/browse/HDDS-2893
Project: Hadoop Distributed Data Store
Issue Type: Sub-task
Reporter: Hanisha Koneru
Assignee: Hanisha Koneru
If KeyPurgeRequest is replayed, we do not want to purge the keys which were
created after the original purge request was received. This could happen if a
key was deleted, purged and then created and deleted again. The the purge
request was replayed, it would purge the key deleted after the original purge
request was completed.
Hence, to maintain idempotence, we should only purge those keys from
DeletedKeys table that have updateID < transactionLogIndex of the request.
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